Abstract: The metasurface can provide beam deflection by providing phase gradient. In this work, a single-layer small size transmission-type metasurface is used to generate a deflect beam in the ...

Abstract: In the free space optical communication system, the detection accuracy and detection speed of the beam deflection angle have an important influence on the tracking accuracy and tracking ...

RSJs are a common feature of house extensions and self builds, but working out the costs is more complicated than other building materials ...

An illustration of a magnifying glass. An illustration of a magnifying glass.

Every alien in Ben 10: Alien Force is incredible, but who are the most powerful among them all?

Although to the average person a camera lens is just that bit of glass you stick on the front of the camera to make stuff appear in focus, there’s a whole wide world out there of lens designs and ...